JP2005130510A - 移動通信システムにおける多重信号干渉除去装置及び方法 - Google Patents
移動通信システムにおける多重信号干渉除去装置及び方法 Download PDFInfo
- Publication number
- JP2005130510A JP2005130510A JP2004310124A JP2004310124A JP2005130510A JP 2005130510 A JP2005130510 A JP 2005130510A JP 2004310124 A JP2004310124 A JP 2004310124A JP 2004310124 A JP2004310124 A JP 2004310124A JP 2005130510 A JP2005130510 A JP 2005130510A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- received
- finger
- fingers
- correlation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
- H04B1/71075—Parallel interference cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70707—Efficiency-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Noise Elimination (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030074571A KR20050039156A (ko) | 2003-10-24 | 2003-10-24 | 이동통신 시스템에서 다중신호 간섭 제거 장치 및 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005130510A true JP2005130510A (ja) | 2005-05-19 |
Family
ID=34386802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004310124A Pending JP2005130510A (ja) | 2003-10-24 | 2004-10-25 | 移動通信システムにおける多重信号干渉除去装置及び方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050129095A1 (zh) |
EP (1) | EP1526650A3 (zh) |
JP (1) | JP2005130510A (zh) |
KR (1) | KR20050039156A (zh) |
CN (1) | CN1658521A (zh) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100353338B1 (ko) * | 1999-03-17 | 2002-09-18 | 소니 가부시끼 가이샤 | 확산 스펙트럼 통신 장치 |
US6798737B1 (en) * | 1999-10-06 | 2004-09-28 | Texas Instruments Incorporated | Use of Walsh-Hadamard transform for forward link multiuser detection in CDMA systems |
JP2002232397A (ja) * | 2001-01-31 | 2002-08-16 | Ntt Docomo Inc | 移動通信システムにおける受信処理方法及び受信装置 |
GB2384661B (en) * | 2002-01-25 | 2005-04-20 | Toshiba Res Europ Ltd | Receiver processing systems |
CN100344073C (zh) * | 2002-08-29 | 2007-10-17 | 美国博通公司 | Cdma系统中自适应消除导频干扰 |
-
2003
- 2003-10-24 KR KR1020030074571A patent/KR20050039156A/ko not_active Application Discontinuation
-
2004
- 2004-10-25 JP JP2004310124A patent/JP2005130510A/ja active Pending
- 2004-10-25 US US10/971,706 patent/US20050129095A1/en not_active Abandoned
- 2004-10-25 CN CN2004100997670A patent/CN1658521A/zh active Pending
- 2004-10-25 EP EP20040025346 patent/EP1526650A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1526650A2 (en) | 2005-04-27 |
CN1658521A (zh) | 2005-08-24 |
US20050129095A1 (en) | 2005-06-16 |
KR20050039156A (ko) | 2005-04-29 |
EP1526650A3 (en) | 2005-06-08 |
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